package com.lb.design.pattern.facadepattern;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: liubin
 * Date: 2018-01-03
 * Time: 下午 2:48
 */
public interface LetterProcess {

    /**
     * 写信
     * @param content
     */
    public void writeLetter(String content);

    /**
     * 写信封
     * @param address
     */
    public void writeEnvelope(String address);

    /**
     * 将信放进信封
     */
    public void putLetterIntoEnvlope();

    /**
     * 发信
     */
    public void sendLetter();
}
